4-Chloro-7-(2,4-dimethylphenyl)-2,5,6-trimethyl-7H-pyrrolo[2,3-d]pyrimidine CAS 157286-74-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 157286-74-3 |
| Molecular Formula | C17H18ClN3 |
| Molecular Weight | 299.80 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 4-Chloro-7-(2,4-dimethylphenyl)-2,5,6-trimethyl-7H-pyrrolo[2,3-d]pyrimidine (CAS 157286-74-3), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C17H18ClN3. Molecular weight: 299.80 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C17H18ClN3 |
| Molecular Weight | 299.80 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2001 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
Related Chloro Standards
- Methyl 2-chloro-6-(2,4,4-trimethylpentan-2-ylamino)pyrimidine-4-carboxylate (CAS 1365838-64-7)
- 4-Chloro-7-(2,6-dimethylphenyl)-2,5,6-trimethyl-7H-pyrrolo[2,3-d]pyrimidine (CAS 157286-75-4)
- 157286-81-2 4-Chloro-7-mesityl-2,5-dimethyl-7H-pyrrolo[2,3-d]pyrimidine 7880AA C17H18ClN3 (CAS 157286-81-2)
- (5E)-5-(5-Chloro-2-ethoxybenzylidene)-2-mercapto-1,3-thiazol-4(5H)-one (CAS 299903-84-7)
- 6-Chloro-N2-cyclohexyl-N4-(3-methoxypropyl)-1,3,5-triazine-2,4-diamine (CAS 84712-80-1)
- (3s)-1-Chloro-3-(Boc-amino)-4-Phenyl-2-Butanol (CAS 165727-45-7)
- 2-Chloro-2-pyrrolidinomethyl benzophenone (CAS 898774-75-9)
- 2-Chloro-4-pyrrolidinomethyl benzophenone (CAS 898776-61-9)
Recommended Standards
- 3,4,5-Trichloro-2-(trichloromethyl)pyridine (CAS 1201-30-5)
- 2-(2-((3-Chlorobenzyl)thio)thiazol-4-yl)acetic acid (CAS 1050151-05-7)
- (2-(Allylamino)-4-aminothiazol-5-yl)(5-chlorothiophen-2-yl)methanone (CAS 371128-48-2)
- 4-Chloro-N-cycloheptyl-3-ethoxybenzenesulfonamide (CAS 927641-39-2)
- 2-Chloro-2-(3-oxo-1-phenylheptyl)-1H-indene-1,3(2H)-dione (CAS 42581-26-0)
- Fulvestrant impurity 38 (CAS CATO-C4X-191738)
- Naphazoline EP Impurity C (CAS 132-75-2)
- 1-[4-(Trifluoromethyl)benzyl]cyclobutanecarboxylic acid (CAS 1439900-17-0)
- 3-((5-Methylisoxazol-3-yl)carbamoyl)picolinic acid (CAS 890961-23-6)
- (Des-Bromo)-Neuropeptide B (1-23) (human) (CAS 434897-64-0)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 13829788188 / jacky.chen@cato-chem.com